Home / 11,766.24-17,653.94-5,187.80

Finding the Fourth Proportional to 11,766.24, 17,653.94 and 5,187.80

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Solution

The fourth proportional to 11,766.24, 17,653.94 and 5,187.80 is: 7,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.24 : 17,653.94 = 5,187.80 : x
  2. Step 2: Convert to fraction form
    11,766.24/17,653.94 = 5,187.80/x
  3. Step 3: Cross multiply
    11,766.24x = 17,653.94 × 5,187.80
  4. Step 4: Simplify right side
    11,766.24x = 91,585,109.93
  5. Step 5: Solve for x
    x = 91,585,109.93/11,766.24
  6. Step 6: Final answer
    x = 7,783.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.